1.4 OSNOVE TEHNIŠKE MEHANIKE BASICS OF TECHNICAL MECHANICS 1. letnik 105 ur obvezni predmeti compulsory subjects doc. dr. Vojko Kilar, univ. dipl. inž. grad. - Salvadori, M.: Konstrukcije v arhitekturi, DZS, Ljubljana 1979 - Dobovišek, B.: Osnove tehniške mehanike, povzetek predavanj, FA, Ljubljana 1998 - Benedik, B. S.: Statika konstrukcij, <strong>Fakulteta</strong> <strong>za</strong> gradbeništvo, Maribor 1998 - McGill, D. J. and King, W. W.: Engineering mechanics, statics, PWS-KENT, Boston 1989 - Nash, W. A.: Schaum’s outline of theory and problems of strength of materials, McGraw-Hill 1994 Osnove tehniške mehanike je predmet, ki študente arhitekture uvaja v osnovne <strong>za</strong>kone tehniène mehanike in jim daje osnovna znanja, ki jih potrebujejo pri drugih statièno-konstrukcijskih predmetih v višjih letnikih. Vsebina predmeta pokriva pomembnejša poglavja osnov statike, v <strong>za</strong>dnjih letih pa dajemo veèji poudarek tudi na prikazu praktiènih primerov uporabe pridobljenega znanja. Poleg praktiènih primerov in filmov ter diapozitivov uporabljamo tudi modelne vaje (izdelava modelov konstrukcij iz lesa) in animacije z raèunalniškimi programi. Vsebina: Zakoni mehanike, sila, moment, napetost, ravnotežje, zunanje in notranje sile, ravninski sestav sil, reakcije ravninskih konstrukcij, statièna nedoloèenost, prednosti in slabosti statièno nedoloèenih konstrukcij. Osne sile, napetosti, deformacije, Hookov <strong>za</strong>kon, elastiènost, plastiènost, vitkost, uklon, dimenzioniranje na uklon, praktièni primeri. Osnovne mehanske lastnosti gradiv (armirani beton, jeklo, les, aluminij, steklo, plastika), kriteriji <strong>za</strong> izbiro gradiva (odnosi: teža, nosilnost cena). Palièja, osne sile in približno dimenzioniranje, primeri uporabe. Vrvi, vrvne konstrukcije, poenostavljen raèun vrvi, primeri uporabe. Geometrijske karakteristike in njihov raèun: prerez, težišèe, statièni, vztrajnostni in odpornostni momenti. Upogibne konstrukcije, upogib, upogibni moment, preèna sila, upogibne napetosti, primeri upogibnih nosilcev. Ravninsko napetostno stanje, kombinacija upogiba in osne sile; jedro prere<strong>za</strong>, temelji. Statièno doloèene konstrukcije, nosilci, sestavljeni nosilci, okvirji, loki in njihovo obnašanje. Prostorske konstrukcije, reakcije, notranje sile, primeri (brane, plošèe, poliedriène lupine, membrane, tanke lupine in prostorska palièja). Torzija, polarni vztrajnostni moment, napetosti pri torziji, odprti in <strong>za</strong>prti prerezi, praktièni primeri torzije v stavbah (jedra, nesimetrija…) Sovisnosti med kolièinami stanja, upogibnica, raèunanje deformacij po metodi virtualnega dela. Osnove statièno nedoloèenih konstrukcij; metoda sil. The course Introduction to technical mechanics gives students the basic principles of technical mechanics and fundamental knowledge needed for other statics and construction courses in senior years. The subject’s contents cover the most important chapters of basic statics, while in the latest years emphasis is given to presentations of practical examples of using obtained knowledge. Besides practical examples, films and slides we also use modelling exercises (constructing wooden construction models) and computer program animations. Contents: Laws of mechanics, force, momentum, tension, balance, internal and external forces, planar composition of forces, reactions of planar constructions, static indeterminacy, advantages and weaknesses of statically indeterminate constructions. Axial forces, tension, deformations, Hook’s Law, elasticity, plasticity, slenderness, bending, dimensioning on bending, practical examples. Basic mechanical properties of materials (reinforced concrete, steel, timber, aluminium, glass, plastics), criteria for choosing materials (relations: weight, load-bearing capacity, price). Frames (trusses), axial forces and approximate dimensioning, examples of use. Geometrical characteristics and their calculation: cross section; gravity centre; moments of inertia. Bending constructions, bending, bending momentums, axial force, bending stress, examples of bending constructions. Planar stress condition, combination of bending and axial forces; cross-section core, foundations. Statically determined constructions, beams, Gerber beams, frames (trusses), arches and their behaviour. Spatial constructions, reactions, internal forces, examples (grids, plates, polyhedrical domes, membranes, thin domes and spatial trusses). Torsion, polar moment of inertia, stress in torsion, open and closed cross-sections, practical examples of torsion in buildings (cores, asymmetry...). Relations between moments, shear forces and deformations, calculating deformations by the virtual work method. Basics of statically undefined constructions; method of forces. 46 46 dodiplomski studij graduate course
1.5 ARHITEKTNE KONSTRUKCIJE ARCHITECTURAL CONSTRUCTIONS I. letnik 105 ur prof. dr. Blaž Vogelnik, univ. dipl. inž. arh. Vsebina: Osnovni principi geomehanike. Temeljenje visokih zgradb (plitvo in globoko); toèkovni, pasovni temelji, temeljne plošèe, teorija nosilca na podajni podlagi, berlinski zid, temeljenje s koli. Armiranobetonske konstrukcije: vertikalno nosilni elementi (stebri, stene, zidovi); stropne konstrukcije (enosmerna in križnoarmirana plošèa, gobasta plošèa, filigranski strop, rebrièasti strop, π plošèa, rebrasti strop, sovprežni stropovi, prednapeti stropovi). Jeklene konstrukcije: stebri izi osnovnih profilov in kombinacije; nosilci iz osnovnih profilov, satasti nosilci, ravninska in prostorska predalèja, R nosilci. Okvirji: ravninski in prostorski, doloèanje uklonskih dolžin po teoriji I. reda, teorija II. reda (faktorji varnosti, imperfekcija, iteracija). Lesene konstrukcije: stebri (klasièni in kombinirani), nosilci (klasièni, zmoznièeni, lepljeni, predalèni). Ostrešja: špirovci, lege, škarje, <strong>za</strong>vetrovanje Contents: Basic principles of ground mechanics. Building foundations (deep and shallow); point, ribbon foundations, slab foundations; theory of beam on flexible support; Berlin wall, pilot foundations. Reinforced concrete structures: vertical load bearing element (columns, walls); ceiling structures (one way and cross reinforced slab, mushroom slab, filigree slab, ribbed ceiling, slab, composite ceiling structures, pre-stressed ceiling). Steel structures: columns of standard and combined sections, beams of standard and combined sections, honeycomb beams, two and three dimensional girder beams, R beams. Frames: two and three dimensional; determining of buckling length according to theory of I. and II. degree (safety factors, imperfection, iteration). Timber structures: columns (classical and combined), beams (classical and combined, tree-locked, glued). Roof structures: rafters, beams, bracers, shear reinforcement. leto year 01 02 03 04 05 47